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jb92563 · 02-16-2016, 08:29 PM

I often wonder if the spark is "sheltered" a bit under the single electrode vs the fully exposed spark of the multiple electrode style, makes any difference in the combustion process?

Also wonder if the Platinum coated plugs effect the combustion process, since platinum may change the process somewhat acting as a catalyst?

I suspect the differences may be negligable and more of a new and more expensive is better marketing strategy.

I suppose the racing guys here would know whether there are any gains to be had by the different types of plugs?

02-16-2016, 08:29 PM	#13
jb92563 Registered User Join Date: Apr 2012 Location: Riverside, CA Posts: 1,666	I often wonder if the spark is "sheltered" a bit under the single electrode vs the fully exposed spark of the multiple electrode style, makes any difference in the combustion process? Also wonder if the Platinum coated plugs effect the combustion process, since platinum may change the process somewhat acting as a catalyst? I suspect the differences may be negligable and more of a new and more expensive is better marketing strategy. I suppose the racing guys here would know whether there are any gains to be had by the different types of plugs? __________________ "It broke because it wants to be Upgraded " 2012 Porsche Performance Driving School - SanDiego region 2001 Boxster S, Top Speed muffler, (Fred's) Mini Morimotto Projectors, Tarret UDP, Short Shifter, Touch Screen Dual Din Radio, 03 4 Bow glass Top (DD & Auto-X since May 17,2012)